13238811425 has 36 divisors (see below), whose sum is σ = 19118883456. Its totient is φ = 9067312800.

The previous prime is 13238811419. The next prime is 13238811427. The reversal of 13238811425 is 52411883231.

It is a de Polignac number, because none of the positive numbers 2^k-13238811425 is a prime.

It is a super-2 number, since 2×13238811425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13238811427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1110044 + ... + 1121906.

It is an arithmetic number, because the mean of its divisors is an integer number (531080096).

Almost surely, 2^13238811425 is an apocalyptic number.

It is an amenable number.

13238811425 is a deficient number, since it is larger than the sum of its proper divisors (5880072031).

13238811425 is a wasteful number, since it uses less digits than its factorization.

13238811425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798 (or 12786 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The spelling of 13238811425 in words is "thirteen billion, two hundred thirty-eight million, eight hundred eleven thousand, four hundred twenty-five".